Work holders – Relatively movable jaws – Three coacting work grippers
269203, 269243, 269296, B23Q 306, B25B 510
An adjustable shaft rest assembly is disclosed for securely clamping a workpiece to a fixture table. A clamp including a clamp head which is selectively displaceable from a first position to a second position is mounted on a base and a pair of bores are defined in the base with the axes thereof intersecting the axis of a clamped workpiece for receiving a pair of shaft rests which can be selectively axially displaced from first positions to second positions. Each of the first and second shaft rests includes a threaded central bore which is threadedly received by first and second threaded studs which are fixedly secured within the base bores.
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patent: 3851869 (1974-12-01), Damewood
Hjelm Victor S.
Rohles John H.
Eldorado Tool and Manufacturing Corporation
Smith Spencer T.
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